sub·cul·ture
ˈsəbˌkəlCHər / noun
a : cultural group within a larger culture, often having beliefs or interests at variance with those of the larger culture.

He also offered some sage advice: “Imagination is more important than book learning, because that is the key to most of the answers that we need to have in this world.”

The human Einstein was surprised by the amount of people who walked right past him. But for those who noticed him, they found it was a nice surprise. Some also took pictures to remember the experience.